Simple Ingress Setup with sample pods

setup.yaml

apiVersion: v1
kind: Service
metadata:
  name: default-http-backend
spec:
  ports:
  - port: 80
    targetPort: 8080
  selector:
    app: default-http-backend

---

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: default-http-backend
spec:
  template:
    metadata:
      labels:
        app: default-http-backend
    spec:
      containers:
      - name: default-http-backend
        image: gcr.io/google_containers/defaultbackend:1.3

---

apiVersion: v1
kind: Service
metadata:
  name: nginx-ingress-controller
spec:
  type: LoadBalancer
  ports:
  - name: http
    port: 80
    targetPort: 80
  - name: https
    port: 443
    targetPort: 443
  selector:
    app: nginx-ingress-controller

---

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: nginx-ingress-controller
spec:
  template:
    metadata:
      labels:
        app: nginx-ingress-controller
    spec:
      containers:
      - name: nginx-ingress-controller
        image: gcr.io/google_containers/nginx-ingress-controller:0.9.0-beta.3
        args:
        - /nginx-ingress-controller
        - --default-backend-service=default/default-http-backend
        - --publish-service=default/nginx-ingress-controller
        env:
          - name: POD_NAME
            valueFrom:
              fieldRef:
                fieldPath: metadata.name
          - name: POD_NAMESPACE
            valueFrom:
              fieldRef:
                fieldPath: metadata.namespace
        ports:
        - containerPort: 80
        - containerPort: 443

---

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: nginx
  annotations:
    ingress.kubernetes.io/ssl-redirect: "false"
    kubernetes.io/tls-acme: "true"
    certmanager.k8s.io/issuer: letsencrypt-staging
    kubernetes.io/ingress.class: nginx
spec:
  tls:
  - hosts:
    - extdns.braiven.io
    secretName: letsencrypt-staging
  rules:
  - host: extdns.braiven.io
    http:
      paths:
      - backend:
          serviceName: nginx
          servicePort: 80

---

apiVersion: v1
kind: Service
metadata:
  name: nginx
spec:
  ports:
  - port: 80
    targetPort: 80
  selector:
    app: nginx

---

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: nginx
spec:
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - image: nginx
        name: nginx
        ports:
        - containerPort: 80

creates

• ingress controller
• default backend
• nginx container to route traffic to
• ssl annotations to be used by "cert-manager" to make certs and enable tls